package com.lianxueda.drawing.service;

import com.lianxueda.drawing.domain.pojo.CourseStudent;
import com.baomidou.mybatisplus.extension.service.IService;

import java.util.List;

/**
* @author 29264
* @description 针对表【course_student】的数据库操作Service
* @createDate 2024-08-26 14:49:05
*/
public interface CourseStudentService extends IService<CourseStudent> {

    List<Integer> selectCourseId(Integer studentId);

    Integer addCourseForStudent(Integer studentId, Integer courseId);

    List<Integer> selectStudentsByCourseIds(List<Integer> courseIds);
}
